Makita HR4010C Technical Information

P 10 /20
Repair
[3] DISASSEMBLY/ASSEMBLY
Fig. 26
Fig. 27
Fig. 28
4) Remove Hex nut M6 by turning counterclockwise with impact driver while fixing Fan securely with gloved hand,
then remove Flat washer 6 from Armature shaft. (Fig. 26)
5) In case of HR4010C/HR4011C;
Referring to [3] -5. Active Dynamic Vibration Absorber (page), remove two Active dynamic vibration absorbers.
Hex nut M6
Flat washer 6
Hex nut M6
Flat washer 6
Fan
Fan
Baffle plate
Socket bit, hex 10mm
Impact driver
Motor housing
complete
[Motor housing complete
viewed from the Rear cover side]
6) Separate Motor housing complete by removing four 5x25 Tapping screws, then tapping the commutator end of
Armature shaft with plastic hammer. Then separate Gear housing complete from Crank housing complete.
At this time, be careful not to lose Flat washer 10 of Crank shaft because it can remain in Gear housing complete.
(Fig. 27)
7) Remove Armature from Gear housing cover
with Gear extractor, large (No.1R045) and
Center attachment (No.1R346). (Fig. 28)
Tapping screw
5x25 (4pcs)
No.1R045
Armature
Shoulder sleeve 6
No.1R346
Motor housing
complete
Crank housing
complete
Gear housing
complete
Flat washer 10
Gear housing
complete
Flat washer 12

Makita HR4010C Specifications

General

Impact rate	2750 bpm
Rated speed (max)	480 RPM
Impact energy (max)	9.5 J
Weight (including battery)	6713 g
Carrying case	Yes
Power source	AC

Weight and Dimensions

Depth	470 mm